3
 0.942315  0.210469  0.260278  0.219797
-0.304913  0.860533  0.408058  0.173546
-0.138094 -0.463881  0.875068   1.06215
        0         0         0         1
   0.704223    0.690643    0.164567 -0.00614004
  -0.687068    0.604526    0.403096 -0.00978974
   0.178911   -0.396938     0.90024     1.17794
          0           0           0           1
  0.184704   0.969837   0.159058 -0.0873316
 -0.913368   0.109644   0.392094   0.261916
  0.362827    -0.2177    0.90607    1.07911
         0          0          0          1
